Centrifuge



FIG. 1 is a photograph corresponding to a front perspective view of the centrifuge;

FIG. 2 is a photograph corresponding to a front elevational view thereof;

FIG. 3 is a photograph corresponding to a right side elevational view thereof;

FIG. 4 is a photograph corresponding to a top plan view thereof;

FIG. 5 is a photograph corresponding to a rear elevational view thereof;

FIG. 6 is a photograph corresponding to a left side elevational view thereof; and,

FIG. 7 is a photograph corresponding to a bottom plan view thereof. 

The ornamental design for a centrifuge, as shown. 